--- /dev/null	2019-04-23 16:30:34.864501003 -0400
+++ new/src/hotspot/share/gc/shenandoah/shenandoahJfrSupport.hpp	2019-05-02 15:27:00.131417892 -0400
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019, Red Hat, Inc. All rights reserved.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_GC_SHENANDOAH_SHENANDOAHJFRSUPPORT_HPP
+#define SHARE_GC_SHENANDOAH_SHENANDOAHJFRSUPPORT_HPP
+
+#include "runtime/vmOperations.hpp"
+
+class VM_ShenandoahSendHeapRegionInfoEvents : public VM_Operation {
+public:
+  virtual void doit();
+  virtual VMOp_Type type() const { return VMOp_HeapIterateOperation; }
+};
+
+class ShenandoahJFRSupport {
+public:
+  static void register_jfr_type_serializers();
+};
+
+#endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHJFRSUPPORT_HPP